50540669 has 2 divisors, whose sum is σ = 50540670. Its totient is φ = 50540668.

The previous prime is 50540653. The next prime is 50540681. The reversal of 50540669 is 96604505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 23396569 = 5210^2 + 4837^2 .

It is a cyclic number.

It is not a de Polignac number, because 50540669 - 2⁴ = 50540653 is a prime.

It is a super-2 number, since 2×50540669² = 5108718445935122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50540689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25270334 + 25270335.

It is an arithmetic number, because the mean of its divisors is an integer number (25270335).

Almost surely, 2^50540669 is an apocalyptic number.

It is an amenable number.

50540669 is a deficient number, since it is larger than the sum of its proper divisors (1).

50540669 is an equidigital number, since it uses as much as digits as its factorization.

50540669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 50540669 is about 7109.1960867597. The cubic root of 50540669 is about 369.7262864873.

The spelling of 50540669 in words is "fifty million, five hundred forty thousand, six hundred sixty-nine".